Group 17
The Halogen Group
The name: Fluorine
Symbol: F
The name Fluorine was name after the Latin word "fleure" which means flow.
Atomic Number: 9
Atomic Mass: 19
Protons: 9
Electrons: 9
Neutrons: 10
Karl Scheele discovered fluorine in 1771
Henri Moissan isolated fluorine in 1886
Boiling Point: -188.12 °C
Melting Point: -223 °C
Freezing Point: -219.62°C
Density- 1.7 g/L
Electronegativity- 3.98
Fluorine
Fluorine is a pale yellow gas.
Fluorine is the most electronegative and reactive of all the elements.
Fluorite
Fluorine is found in toothpaste
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